I noticed it too, and it took time for me to understand why they changed their stance. At first everyone wanted to wear masks to stop themselves from catching the virus, but those who would know immediately came out and said masks are ineffective. That was and still is the case because masks don't shield our eyes and because it doesn't completely stop us from breathing in the virus. But then they found that it reduces the rate of transmission because, if we have a mask on, viral particles don't disperse into the air around us as easily when we breathe, talk, cough, sneeze, etc.Seems pretty well reasoned. I do recall how odd it seemed that there was such a reversal on whether these masks work. Fauci was adamant they didn’t abs that was consistent with experience and studies at the time. Then suddenly it all changed…
It has never been "I wear a mask to protect myself." It has always been "I wear a mask to protect you from me."